Clinical trial • Phase III • Immunology | Rare Disease

donidalorsen for Hereditary angioedema

Phase III trial of donidalorsen for Hereditary angioedema. open-label. 55 participants.

Overview

Trial Therapeutic Area
Immunology | Rare Disease
Trial Disease
Hereditary angioedema
Trial Stage
Phase III
Drug Modality
Oligonucleotide
Paediatric Trial
Yes

Key dates

Initial CTIS Submission Date
14-03-2024
First CTIS Authorization Date
19-04-2024

Trial design

open-label Phase III trial in Belgium, Bulgaria, France and others.

Open Label
Yes
Target Sample Size
55
Trial Duration For Participant
371

Eligibility

Recruits 55 paediatric patients.

Vulnerable Population
The protocol selects vulnerable populations and includes adolescents: "Participants and, as applicable, legally authorized representatives (i.e. parent(s)/legal guardian), must provide written and signed informed consent form (ICF)." and "Participants must be aged ≥ 12 years at the time of informed consent and, as applicable, assent." Age-specific consent/assent documents (parental ICF, assent forms for minors) are provided per country as listed in the ICF document library.

Inclusion criteria

  • {"criterion_text":"- 1. Participants and, as applicable, legally authorized representatives (i.e. parent(s)/legal guardian), must provide written and signed informed consent form (ICF).\n- 2. Participants must have access to, and the ability to use, ≥ 1 acute medication(s) (e.g. plasma-derived or recombinant C1-INH concentrate or a bradykinin receptor (BK) 2-receptor antagonist) to treat angioedema attacks Open-Label Extension Participants ONLY.\n- 3. Satisfactory completion of ISIS 721744-CS5 (randomized placebocontrolled index study) through Week 25 or participants who are allowed to exit ISIS 721744-CS5 study per protocol with an acceptable safety and tolerability profile New (not previously on donidalorsen) Participants ONLY.\n- 4. Participants must be aged ≥ 12 years at the time of informed consent and, as applicable, assent.\n- 5. Participants must have a documented diagnosis of HAE-1/HAE-2.\n- 6. Participants must be on a stable dose (≥ 12 weeks) of prophylaxis treatment with lanadelumab or berotralstat or C1-esterase inhibitor prior to the Screening Period."}

Exclusion criteria

  • {"criterion_text":"- 1. Have any new condition or worsening of an existing condition or change or anticipated change in medication De-novo Participants.\n- 2. Concurrent diagnosis of any other type of recurrent angioedema, including acquired, idiopathic angioedema or HAE with normal C1-INH (also known as HAE Type III).\n- 3. Anticipated change in the use of concurrent androgen or tranexamic acid prophylaxis used to prevent angioedema attacks Any clinically-significant abnormalities in screening laboratory values.\n- 4. Malignancy within 5 years of Screening, except for non-melanoma skin cancers, cervical in situ carcinoma, breast ductal carcinoma in situ, or stage 1 prostate carcinoma that has been successfully treated.\n- 5. Hypersensitivity to the active substance (donidalorsen) or to any of the excipients.\n- 6. Treatment with another investigational drug (non-oligonucleotide) or biological agent within 1 month of Screening or 5 half-lives of investigational agent, whichever is longer.\n- 7. Recent history of, or current drug or alcohol abuse.\n- 8. Participated in a prior donidalorsen study.\n- 9. Exposure to any of the following medications: Angiotensin-converting enzyme (ACE) inhibitors or any estrogen containing medications with systemic absorption Oligonucleotides (including small interfering ribonucleic acid [siRNA]) within 4 months of Screening if single dose received, or within 12 months of Screening if multiple doses received. This exclusion does not apply to vaccines."}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Incidence and severity of treatment-emergent adverse events (TEAEs).","definition_or_measurement_approach":""}

Secondary endpoints

  • {"endpoint_text":"- 1. The time-normalized number of Investigator-confirmed HAE attacks (per month) from Week 1 to Week 53.","definition_or_measurement_approach":"Investigator-confirmed HAE attacks, normalized per month, measured across Weeks 1–53."}
  • {"endpoint_text":"- 2. The time-normalized number of Investigator-confirmed HAE attacks (per month) from Week 5 to Week 53.","definition_or_measurement_approach":"Investigator-confirmed HAE attacks, normalized per month, measured across Weeks 5–53."}
  • {"endpoint_text":"- 3. The percentage of Investigator-confirmed HAE attack-free patients from Week 5 to Week 53.","definition_or_measurement_approach":"Proportion of patients without any Investigator-confirmed HAE attacks during Weeks 5–53."}
  • {"endpoint_text":"- 4. The time-normalized number of moderate or severe Investigator-confirmed HAE attacks (per month) from Week 5 to Week 53.","definition_or_measurement_approach":"Investigator-confirmed moderate or severe HAE attacks, normalized per month, measured across Weeks 5–53."}
  • {"endpoint_text":"- 5. The number of Investigator-confirmed HAE attacks requiring acute therapy from Week 5 to Week 53.","definition_or_measurement_approach":"Count of Investigator-confirmed HAE attacks that required acute therapy during Weeks 5–53."}
  • {"endpoint_text":"- 6. Angioedema Quality of Life (AE-QoL) questionnaire total score over 53 weeks.","definition_or_measurement_approach":"Total score on the AE-QoL questionnaire assessed over 53 weeks."}

Recruitment

Planned Sample Size
55
Recruitment Window Months
75
Consent Approach
Written, signed informed consent is required from participants and, where applicable, legally authorized representatives (parent(s)/legal guardian). Participants aged ≥12 years provide consent and, when applicable, assent. The documentation set includes age-specific ICFs and assent/parental ICFs (e.g. Adults ICF, 12-14 yr ICF, 15-17 yr ICF, Parental ICF, Assent ICF) and translated materials (documents available in multiple languages such as English, French, Dutch, German, Italian, Spanish, Polish, Bulgarian across country-specific ICFs).

Geography

Total Number Of Sites
23
Total Number Of Participants
55

Belgium

Earliest CTIS Part Ii Submission Date
04-04-2024
Latest Decision Or Authorization Date
22-04-2024
Processing Time Days
18
Number Of Sites
1
Number Of Participants
3

Sites

Site Name
Antwerp University Hospital
Department Name
Hematology
Principal Investigator Name
Didier Ebo
Principal Investigator Email
didier.ebo@uza.be
Contact Person Name
Didier Ebo
Contact Person Email
didier.ebo@uza.be

Bulgaria

Earliest CTIS Part Ii Submission Date
04-04-2024
Latest Decision Or Authorization Date
24-04-2024
Processing Time Days
20
Number Of Sites
2
Number Of Participants
3

Sites

Site Name
Convex Ltd.
Department Name
Medical office of clinical allergology
Principal Investigator Name
Anna Dimitrova
Principal Investigator Email
anna.valerieva@gmail.com
Contact Person Name
Anna Dimitrova
Contact Person Email
anna.valerieva@gmail.com
Site Name
Alexandrovska University Hospital
Department Name
Clinic of clinical allergology
Principal Investigator Name
Maria Staevska-Kotasheva
Principal Investigator Email
mari66sta@gmail.com
Contact Person Name
Maria Staevska-Kotasheva
Contact Person Email
mari66sta@gmail.com

France

Earliest CTIS Part Ii Submission Date
04-04-2024
Latest Decision Or Authorization Date
23-04-2024
Processing Time Days
19
Number Of Sites
3
Number Of Participants
4

Sites

Site Name
Hopital Saint Antoine
Department Name
medecine interne
Principal Investigator Name
Delphine Gobert
Principal Investigator Email
delphine.gobert@aphp.fr
Contact Person Name
Delphine Gobert
Contact Person Email
delphine.gobert@aphp.fr
Site Name
Grenoble Hospital Center
Department Name
medecine interne
Principal Investigator Name
Laurence Bouillet
Principal Investigator Email
LBouillet@chu-grenoble.fr
Contact Person Name
Laurence Bouillet
Contact Person Email
LBouillet@chu-grenoble.fr
Site Name
Hoptial La Timone
Department Name
medecine interne
Principal Investigator Name
Stéphane Gayet
Principal Investigator Email
stephane.gayet@ap-hm.fr
Contact Person Name
Stéphane Gayet
Contact Person Email
stephane.gayet@ap-hm.fr

Germany

Earliest CTIS Part Ii Submission Date
04-04-2024
Latest Decision Or Authorization Date
22-04-2024
Processing Time Days
18
Number Of Sites
3
Number Of Participants
5

Sites

Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
Department of Dermatology and Allergology
Principal Investigator Name
Markus Alexander Karl Magerl
Principal Investigator Email
markus.magerl@charite.de
Contact Person Name
Markus Alexander Karl Magerl
Contact Person Email
markus.magerl@charite.de
Site Name
Klinikum rechts der Isar der TU Muenchen AöR
Department Name
Department of Oto-Rhino-Laryngology
Principal Investigator Name
Susanne Trainotti
Principal Investigator Email
susanne.trainotti@mri.tum.de
Contact Person Name
Susanne Trainotti
Contact Person Email
susanne.trainotti@mri.tum.de
Site Name
Goethe University Frankfurt
Department Name
Department for Children and Adolescents
Principal Investigator Name
Emel Aygören-Pürsün
Principal Investigator Email
emel.aygoeren@kgu.de
Contact Person Name
Emel Aygören-Pürsün
Contact Person Email
emel.aygoeren@kgu.de

Italy

Earliest CTIS Part Ii Submission Date
04-04-2024
Latest Decision Or Authorization Date
14-05-2024
Processing Time Days
40
Number Of Sites
5
Number Of Participants
13

Sites

Site Name
Azienda Ospedale-Universita Padova
Department Name
UOSD Allergologia
Principal Investigator Name
Mauro Cancian
Principal Investigator Email
mcancian@unipd.it
Contact Person Name
Mauro Cancian
Contact Person Email
mcancian@unipd.it
Site Name
Azienda Ospedaliera Universitaria Federico II Di Napoli
Department Name
UOC Medicina Interna e Immunologia clinica
Principal Investigator Name
Angelica Petraroli
Principal Investigator Email
ambulatoriopetraroli@gmail.com
Contact Person Name
Angelica Petraroli
Contact Person Email
ambulatoriopetraroli@gmail.com
Site Name
Istituti Clinici Scientifici Maugeri
Department Name
Unità Operativa Medicina Interna ad Indirizzo Geriatrico
Principal Investigator Name
Francesca Perego
Principal Investigator Email
francesca.perego@icsmaugeri.it
Contact Person Name
Francesca Perego
Contact Person Email
francesca.perego@icsmaugeri.it
Site Name
Azienda Ospedaliera Ospedali Riuniti Villa Sofia Cervello
Department Name
UOC Patologia Clinica – Centro Angioedema Ereditario
Principal Investigator Name
Francesco Arcoleo
Principal Investigator Email
farcoleo@villasofia.it
Contact Person Name
Francesco Arcoleo
Contact Person Email
farcoleo@villasofia.it
Site Name
Azienda Ospedaliero Universitaria Policlinico G Rodolico San Marco Di Catania
Department Name
Medicina interna
Principal Investigator Name
Francesco Giardino
Principal Investigator Email
f.giardino@policlinico.unict.it
Contact Person Name
Francesco Giardino

Spain

Earliest CTIS Part Ii Submission Date
04-04-2024
Latest Decision Or Authorization Date
22-04-2024
Processing Time Days
18
Number Of Sites
6
Number Of Participants
10

Sites

Site Name
Hospital Universitari Vall D Hebron
Department Name
Allergology
Principal Investigator Name
Mar Guilarte Clavero
Principal Investigator Email
mguilarte@vhebron.net
Contact Person Name
Mar Guilarte Clavero
Contact Person Email
mguilarte@vhebron.net
Site Name
University Hospital Virgen Del Rocio S.L.
Department Name
Allergology
Principal Investigator Name
Stefan Cimbollek
Principal Investigator Email
scimbollek@gmail.com
Contact Person Name
Stefan Cimbollek
Contact Person Email
scimbollek@gmail.com
Site Name
Hospital Universitario La Paz
Department Name
Allergology
Principal Investigator Name
Teresa Caballero Molina
Principal Investigator Email
mteresa.caballero@salud.madrid.org
Contact Person Name
Teresa Caballero Molina
Site Name
Bellvitge University Hospital
Department Name
Allergology
Principal Investigator Name
Ramon Lleonart Bellfill
Principal Investigator Email
rlleonart@gmail.com
Contact Person Name
Ramon Lleonart Bellfill
Contact Person Email
rlleonart@gmail.com
Site Name
Hospital Universitario Y Politecnico La Fe
Department Name
Allergology
Principal Investigator Name
Leah Landaveri Sánchez
Principal Investigator Email
landaveri_lea@gva.es
Contact Person Name
Leah Landaveri Sánchez
Contact Person Email
landaveri_lea@gva.es
Site Name
Hospital Universitario La Paz
Department Name
Allergology
Principal Investigator Name
Teresa Caballero Molina
Principal Investigator Email
mteresa.caballero@salud.madrid.org
Contact Person Name
Teresa Caballero Molina

Netherlands

Earliest CTIS Part Ii Submission Date
04-04-2024
Latest Decision Or Authorization Date
19-04-2024
Processing Time Days
15
Number Of Sites
2
Number Of Participants
12

Sites

Site Name
Academisch Medisch Centrum
Department Name
Vascular medicine
Principal Investigator Name
Danny Cohn
Principal Investigator Email
d.m.cohn@amsterdamumc.nl
Contact Person Name
Danny Cohn
Contact Person Email
d.m.cohn@amsterdamumc.nl
Site Name
Universitair Medisch Centrum Groningen
Department Name
Internal medicine
Principal Investigator Name
Hanneke Oude Elberink
Principal Investigator Email
j.n.g.oude.elberink@umcg.nl
Contact Person Name
Hanneke Oude Elberink
Contact Person Email
j.n.g.oude.elberink@umcg.nl

Poland

Earliest CTIS Part Ii Submission Date
04-04-2024
Latest Decision Or Authorization Date
29-04-2024
Processing Time Days
25
Number Of Sites
1
Number Of Participants
5

Sites

Site Name
Samodzielny Publiczny Zaklad Opieki Zdrowotnej Szpital Uniwersytecki W Krakowie
Department Name
Centrum Alergologii- Poradnia Alergologiczna
Principal Investigator Name
Marcin Stobiecki
Principal Investigator Email
marcin.stobiecki@uj.edu.pl
Contact Person Name
Marcin Stobiecki
Contact Person Email
marcin.stobiecki@uj.edu.pl

Sponsor

Primary sponsor

Full Name
Ionis Pharmaceuticals Inc.
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Sitero LLC
Responsibilities
EDC
Name
Yprime LLC
Responsibilities
ePROs
Name
Inclin Inc.
Responsibilities
TC: Data Management
Name
PPD Development LP
Name
Bioclinica Inc.
Name
Medpace Finland Oy
Name
Marken LLP
Name
Emvenio Clinical Research LLC
Responsibilities
Home healthcare service
Name
FutureMeds GmbH
Responsibilities
Home healthcare service
Name
Cognizant Worldwide Limited
Responsibilities
pharmacovigilance

Third parties

  • {"country":"United States","full_name":"Sitero LLC","duties_or_roles":"EDC","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Yprime LLC","duties_or_roles":"ePROs","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"United States","full_name":"Inclin Inc.","duties_or_roles":"TC: Data Management","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Quest Diagnostics Inc.","duties_or_roles":"","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"PPD Development LP","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Unisphere Travel Ltd. Inc.","duties_or_roles":"Patients reimbursment","organisation_type":"Non-Pharmaceutical company"}
  • {"country":"Netherlands","full_name":"Emsere B.V.","duties_or_roles":"Rental equipment","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Bioclinica Inc.","duties_or_roles":"","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Emvenio Clinical Research LLC","duties_or_roles":"Home healthcare service","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"Finland","full_name":"Medpace Finland Oy","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"Germany","full_name":"FutureMeds GmbH","duties_or_roles":"Home healthcare service","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"National Jewish Health","duties_or_roles":"","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Arup Laboratories Inc.","duties_or_roles":"","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Marken LLP","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United Kingdom","full_name":"Cognizant Worldwide Limited","duties_or_roles":"pharmacovigilance","organisation_type":"Non-Pharmaceutical company"}

Investigational products

Investigational Product Name
ISIS 721744
Active Substance
donidalorsen
Modality
Oligonucleotide
Routes Of Administration
SUBCUTANEOUS
Route
SUBCUTANEOUS
Maximum Dose
80 mg

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